SCSIO OpenIR  > 热带海洋环境国家重点实验室(LTO)
Change in Coherence of Interannual Variability of Summer Rainfall over the Western Pacific around the Early 2000s: Role of Indo-Pacific Ocean Forcing
He, ZQ; Wu, RG; zhuoqi@scsio.ac.cn
2018
Source PublicationJOURNAL OF CLIMATE
Volume31Issue:9Pages:3525-3538
AbstractThe observations show that the covariability between the western North Pacific (WNP) and the South China Sea (SCS) summer rainfall has experienced an obvious weakening since the early 2000s. During the period 1982-2003, the combined north Indian Ocean (NIO), central North Pacific (CNP), and central equatorial Pacific (CEP) sea surface temperature (SST) forcing results in a high coherence between the WNP and SCS summer rainfall variations via a zonally elongated anomalous lower-level cyclone over the western Pacific. During the period 2004-16, the Indian Ocean SST contribution is largely weakened, and the WNP rainfall variability is dominated by the enhanced Pacific SST forcing with an eastward retreated lower-level wind and rainfall anomalies, whereas the SCS rainfall variability is mainly associated with local air-sea interaction processes. The results obtained from observational analysis are supported by numerical experiments with atmospheric and coupled general circulation models. The change in the coherence of interannual summer rainfall variability over the WNP and SCS has important implications for regional climate prediction in South and East Asia.
Department[He, Zhuoqi] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou, Guangdong, Peoples R China; [He, Zhuoqi; Wu, Renguang] Chinese Acad Sci, Inst Atmospher Phys, State Key Lab Numer Modeling Atmospher Sci & Geop, Beijing, Peoples R China; [Wu, Renguang] Chinese Acad Sci, Ctr Monsoon Syst Res, Beijing, Peoples R China
Subject AreaMeteorology & Atmospheric Sciences
Funding ProjectLTO
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/17076
Collection热带海洋环境国家重点实验室(LTO)
Corresponding Authorzhuoqi@scsio.ac.cn
Recommended Citation
GB/T 7714
He, ZQ,Wu, RG,zhuoqi@scsio.ac.cn. Change in Coherence of Interannual Variability of Summer Rainfall over the Western Pacific around the Early 2000s: Role of Indo-Pacific Ocean Forcing[J]. JOURNAL OF CLIMATE,2018,31(9):3525-3538.
APA He, ZQ,Wu, RG,&zhuoqi@scsio.ac.cn.(2018).Change in Coherence of Interannual Variability of Summer Rainfall over the Western Pacific around the Early 2000s: Role of Indo-Pacific Ocean Forcing.JOURNAL OF CLIMATE,31(9),3525-3538.
MLA He, ZQ,et al."Change in Coherence of Interannual Variability of Summer Rainfall over the Western Pacific around the Early 2000s: Role of Indo-Pacific Ocean Forcing".JOURNAL OF CLIMATE 31.9(2018):3525-3538.
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